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udp: fix potential use-after-free in tunnel segmentation

cve-program · CVE-2026-74705

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv4/udp_offload.c"
                    ],
                    "versions": [
                        {
                            "version": "dbef491ebe7f3a4fb1b9111878b86a426fd540b7",
                            "lessThan": "6a733a38b983d8c2e222f13968209010cf44de87",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dbef491ebe7f3a4fb1b9111878b86a426fd540b7",
                            "lessThan": "19d89b13a43640b2da2f277ee462d919d988cb6f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dbef491ebe7f3a4fb1b9111878b86a426fd540b7",
                            "lessThan": "b3df61bb745eb5201eac22679a2839d4ccbf3442",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dbef491ebe7f3a4fb1b9111878b86a426fd540b7",
                            "lessThan": "1ae134c012e10384cdac420b5cc6e0615cde0b55",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dbef491ebe7f3a4fb1b9111878b86a426fd540b7",
                            "lessThan": "5161e67c561c4f28a5d9335a6e859b02511de92b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dbef491ebe7f3a4fb1b9111878b86a426fd540b7",
                            "lessThan": "64d322c288577793eedd352b96ef75234ed380fe",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dbef491ebe7f3a4fb1b9111878b86a426fd540b7",
                            "lessThan": "588d4a6795d99d080f74ef0b5f391ea8c453ae5d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dbef491ebe7f3a4fb1b9111878b86a426fd540b7",
                            "lessThan": "d0f86fb36eb260abd10007b62c9dcc1028e03e61",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv4/udp_offload.c"
                    ],
                    "versions": [
                        {
                            "version": "4.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.265",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.216",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.152",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.104",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.45",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.9",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 9 Nov 08:42 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current